/*
    * Copyright 2017 LINE Corporation
    *
    * LINE Corporation licenses this file to you under the Apache License,
    * version 2.0 (the "License"); you may not use this file except in compliance
    * with the License. You may obtain a copy of the License at:
    *
    *   https://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations
   * under the License.
   */
  
  package com.linecorp.centraldogma.internal.api.v1;
  
  import static com.linecorp.centraldogma.internal.api.v1.HttpApiV1Constants.PROJECTS_PREFIX;
  import static com.linecorp.centraldogma.internal.api.v1.HttpApiV1Constants.REPOS;
  import static java.time.format.DateTimeFormatter.ISO_INSTANT;
  import static java.util.Objects.requireNonNull;
  
  import java.time.Instant;
  
  import javax.annotation.Nullable;
  
  import com.fasterxml.jackson.annotation.JsonCreator;
  import com.fasterxml.jackson.annotation.JsonInclude;
  import com.fasterxml.jackson.annotation.JsonInclude.Include;
  import com.fasterxml.jackson.annotation.JsonProperty;
  import com.google.common.base.MoreObjects;
  
  import com.linecorp.centraldogma.common.Author;
  import com.linecorp.centraldogma.common.RepositoryStatus;
  import com.linecorp.centraldogma.common.Revision;
  
  @JsonInclude(Include.NON_NULL)
  public class RepositoryDto {
  
      public static RepositoryDto removed(String name) {
          requireNonNull(name, "name");
          return new RepositoryDto(name);
      }
  
      private final String name;
  
      @Nullable
      private final Author creator;
  
      @Nullable
      private final Revision headRevision;
  
      @Nullable
      private final String url;
  
      @Nullable
      private final String createdAt;
  
      @Nullable
      private final RepositoryStatus status;
  
      RepositoryDto(String name) {
          this.name = requireNonNull(name, "name");
          creator = null;
          headRevision = null;
          url = null;
          createdAt = null;
          status = null;
      }
  
      public RepositoryDto(String projectName, String repoName, Author creator, Revision headRevision,
                           long creationTimeMillis, RepositoryStatus status) {
          this(requireNonNull(repoName, "repoName"), requireNonNull(creator, "creator"),
               requireNonNull(headRevision, "headRevision"),
               PROJECTS_PREFIX + '/' + requireNonNull(projectName, "projectName") + REPOS + '/' + repoName,
               ISO_INSTANT.format(Instant.ofEpochMilli(creationTimeMillis)), requireNonNull(status, "status"));
      }
  
      @JsonCreator
      public RepositoryDto(@JsonProperty("name") String name,
                           @JsonProperty("creator") @Nullable Author creator,
                           @JsonProperty("headRevision") @Nullable Revision headRevision,
                           @JsonProperty("url") @Nullable String url,
                           @JsonProperty("createdAt") @Nullable String createdAt,
                           @JsonProperty("status") @Nullable RepositoryStatus status) {
          this.name = requireNonNull(name, "name");
          this.creator = creator;
          this.headRevision = headRevision;
          this.url = url;
          this.createdAt = createdAt;
          this.status = status;
      }
  
      @JsonProperty("name")
      public String name() {
          return name;
      }
  
     @Nullable
     @JsonProperty("creator")
     public Author creator() {
         return creator;
     }
 
     @Nullable
     @JsonProperty("headRevision")
     public Revision headRevision() {
         return headRevision;
     }
 
     @Nullable
     @JsonProperty("url")
     public String url() {
         return url;
     }
 
     @Nullable
     @JsonProperty("createdAt")
     public String createdAt() {
         return createdAt;
     }
 
     @Nullable
     @JsonProperty("status")
     public RepositoryStatus status() {
         return status;
     }
 
     @Override
     public String toString() {
         return MoreObjects.toStringHelper(this).omitNullValues()
                           .add("name", name())
                           .add("creator", creator())
                           .add("headRevision", headRevision())
                           .add("url", url())
                           .add("createdAt", createdAt())
                           .add("status", status())
                           .toString();
     }
 }